Increase wycheproof test timeout

Wycheproof MacTest execution time is high and some slow processing
devices timedout before completing the test case, hence increasing the
test timeout.

Bug: 288588810
Bug: 275289479

Test: atest CtsKeystoreWycheproofTestCases:com.google.security.wycheproof.MacTest
Change-Id: I9e7cb51f177452ca8f6c55db3fa0f53645d27c76
(cherry picked from commit dea060879c78eac9406ce1ba63bf14ae2693130e)